Sound system improve in BMW 5 e 39 touring with minimal interference in fabrical design. List: Headunit: Factory radio. Amplifier:Excursion HXA 45 Subwoofer:JL Audio 10W0v3-4 Front speakers:Infinity Ref 5030 CS Damping mat:Silan Coat Instalation Accessories:Hollywood,ACV Enclosure:FIT-BOX BMW 5 e39 touring